Add opencontainers labels to Dockerfile

docker/Dockerfile

@@ -1,4 +1,14 @@
-FROM openjdk:17-jdk-slim
+ARG CREATED=""
+ARG SOURCE=""
+ARG VERSION=""
+ARG BASE_IMAGE="openjdk:17-jdk-slim"
+FROM ${BASE_IMAGE}
+
+LABEL org.opencontainers.image.authors="Eclipse Foundation"\
+      org.opencontainers.image.created=${CREATED}\
+      org.opencontainers.image.source="${SOURCE}"\
+      org.opencontainers.image.version="${VERSION}"\
+      org.opencontainers.image.base.name="${BASE_IMAGE}"
 
 ### user name recognition at runtime w/ an arbitrary uid - for OpenShift deployments
 COPY uid_entrypoint /usr/local/bin/uid_entrypoint

docker/build_infocenter_docker_img.sh

@@ -14,6 +14,10 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
+source_url="https://github.com/eclipse-simrel/help.eclipse.org/blob/main/docker/Dockerfile"
+date="$(date +%FT%T%:z)"
+git_tag="$(git rev-parse HEAD)"
+
 # Parameters:
 release_name=${1:-}
 dockerhub_repo=eclipsecbi/eclipse-infocenter
@@ -34,6 +38,6 @@ cat <<EOF > ${tmp_dir}/startDockerInfoCenter.sh
 ./eclipse -nosplash -application org.eclipse.help.base.infocenterApplication -nl en -locales en -data workspace -plugincustomization plugin_customization.ini -vmargs -Xmx1024m -Dserver_port=8086
 EOF
 
-docker build -t ${dockerhub_repo}:${release_name} .
+docker build --build-arg="CREATED=${date}" --build-arg="SOURCE=${source_url}" --build-arg="VERSION=${git_tag}" -t ${dockerhub_repo}:${release_name} .
 docker push ${dockerhub_repo}:${release_name}
 rm -rf ${tmp_dir}